\nRF5SDK16\examples\ble_peripheral\ble_app_uart\pca10056\s140\arm5_no_packs\ble_app_uart_pca10056_s140.uvprojx, example can build ,but when i debug ,it can to run to the breakpoint and alway stay in 0x0003C68E BE00 BKPT 0x00

[zhouhaifang]

[zhouhaifang]

the develop board is PCA10056 with a main CPU nrf52840

[Henry_Chou]

Have you ever flash the s140 code to your develop board? It seems like the software device is not exist in your develop board.

[zhouhaifang]

first build then flash ,last click debug, flash two times

[Henry_Chou]

Check this!

You should flash your SD(software device) first.

[zhouhaifang]

how can  i first flash my SD(softDevice),please tell me the steps ?